Groundwork
Part of speech: noun
Definition: The foundation; the basic or fundamental parts that support or allow for the rest.
Example sentence: I have the bug again. I'm expecting the response to seeing the show again on Nick to be very good, and this will set the groundwork for what I want to do.
Fundament
Part of speech: noun
Definition: foundationThe part of the body upon which one sits; the buttocks; specifically, the anus.underlying basis or principle for a theoretical or mathematical system